The surging Seattle Mariners (86-69) look to take control of the American League West race by completing a three-game sweep of the Houston Astros (84-71) at Daiken Park in Sunday night's prime-time matchup.

How to Watch Seattle Mariners vs Houston Astros

When: Sunday, September 21, 2025

Time: 7:00 PM ET

Where: Daiken Park

TV Channel: ESPN

Live Stream: Fubo ( Watch for free ! )

Seattle enters Sunday night with a three-game winning streak and is 12-1 over its last 13 games, having opened a two-game lead in the AL West race. Cal Raleigh broke the Mariners' franchise single-season home-run record with his 57th of the season in Seattle's 6-4 win at Houston on Saturday night, also extending his major-league record for home runs in a season by a switch-hitter. Right-hander Logan Gilber

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